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- Title
MAGNETO-OPTICS OF QUANTUM DOTS IN THE NEAR FIELD.
- Authors
SIMSERIDES, CONSTANTINOS; ZORA, ANNA; TRIBERIS, GEORGIOS
- Abstract
We examine a quantum dot (QD) illuminated in the near field with subwavelength spatial resolution, while simultaneously it is subjected to a magnetic field of variable orientation and magnitude. The magnetic field orientation can conserve or destroy the zero-magnetic-field ("structural") symmetry. The asymmetry induced by the magnetic field -except for specific orientations along symmetry axes- can be uncovered in the near-field (NF) but not in the far-field (FF) spectra. We predict that NF magnetoabsorption experiments of realistic spatial resolution could reveal the QD symmetry. This exceptional symmetry-resolving power of the near-field optics, is lost in the far field.
- Subjects
MAGNETIC fields; QUANTUM electronics; QUANTUM dots; MAGNETICS; AUTOMOBILE ignition; SPECTRUM analysis
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2007, Vol 21, Issue 8/9, p1649
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979207043361